Tube winding machine



July 114, 1931. c, H'OLLM-ANN 1,814,697

TUBE WINDiNG MACHINE Filed April 8. 1929 6 Sheets-Sheet 1 a umv I All! 1 v aui! l l .3; i i V Ir:

l Ill M JWWW/NVENTOR v BY ywy ATTORNEY July 14, mm.

C. HQLLMANN TUBE WINDING MACHINE 2 M MN v t N arm M a I m Q a a V I N mm m Q Q O NM 1 & N z 2 i 3 m mm w & hm w m m H w N a.

BY QM ATTORNEY.

July 14, 1931. HOLLMANN 1,814,697

TUBE WINDING MACHINE Filed April 8. 1929 5 Sheets-Sheet I5 W INVENTOR.

9? Z5 M ATTORNEY.

c. HOLLMANN TUBE WINDING MACHINE Filed April 8, 1929 6 Sheets-Sheet 4 ATTORNEY.

c. HOLLMANN I TUBE WINDING MACHINE July 14, 1931.

Filed April 8, .1929

' 6 Sheets-Sheet 5 INVENTOR ATTORNEY July 14,1931; c. HO LLMANN 1,314,697

TUBE WINDING MACHINE Filed April 8. 1929 6 Sheets-Sheet. 6

BY ATTORNEY Patented July 1931 PATENT OFFICE cmm noLLmNN, or roar WAYNE, INDIANA v TUBE WINDING MACHINE Application filed April 8, 1929. semi no, 353,888.

This invention relates to improvements in machines for forming tubesfrom strips of paper by winding the strips spirally upon a. windle in a manner similar to that dlSOlOSGCl in Letters Patent No. 1,580,369, issued April 13, 1926 to one George U. Brake and myself for tube winding machine, and in Letters Patent No. 1,682,045, issued August 28, 1928, to myself for tube winding machine. The

structure herein disclosed,.however, differs from those set forth in said Letters Patents in numerous articulars that appear from the following escription.

The object-of the improvement is to pro- 1 vide a machine for forming a continuous tube from paper strips of indefinite length by winding said strips spirally upon a windle having longitudinally reciprocating tubesupporting bars, an especial object being to -'provide means whereby each of said sliding bars is permitted to move radially inward 1n the windle from its normal tube-sustaining position and assume a secondary position during the retractin longitudinalv stroke of the bar, and is cause to resume and maintain its outward or tube-sustainin position during its 0 posite or forward stro e. A further object is to provide means whereby each of said sliding bars is automatically re-positioned in said windle-so that the pressure of the tube upon said bar is automatically relieved during the retracting strokes thereof to permit freedom of relative longitudinal movement with respect to said tube and bar.

These objects are accomplished by the construction' illustrated in the accompanying drawings, in which Fi 1 is a fragmentary side elevation show-- ing t e rear portion of a machine embodying 4 the invention, a portion thereof beingbroken awa Fig. 2 is a similar view showing the head portion of the machine; A Fig. 3'is a side elevation of the driving head of the machine includin the windle actuated thereby, portions being roken away;

, Fig. 4 is an end elevation of the drivin head projected from Fig. 3, the windle an another part being in section;

Fig. 5 is a side elevation of the tail-stock and parts related thereto, the view being in central section;

Fig. 6 is a frontfend elevation projected from Fig. 5 and including also the windle which is shown in section;

Fig. 7 is a detail view showing a air of ad'usting rings secured to the tailstoc ig.- 8 is a fragmentary front elevation of the adjusting rings and corresponding end of the tailstock;

Fig. 9 is a transverse section of the windle 9.11% the paper tube as it is formed thereon; an

Fig. 10 is a fragmentary plan view of the windle and the paper strips as they. are applied to form a tube thereon.

The invention is comprised of a driving head 1 and a tailstock 2 mounted in axial alinement and spaced apart upon a bed 3 that is supported upon le 4. The driving head consists of a stationary headstock 5 fixed upon the bed and having at its front end a plate 6 secured thereto bybolts 7. A rod 8 is fixed at its front end in the plate 6 by means of a pin 9 and extends axially through the headstock and to a point within the tailstock.-

lhe rod 8 (Figs. 4 and 6) is formed with a flat face 9 along one side thereof and with-the remainder of its external surface uniformly distant from its axial center.

In the headstock is mounted a rotatable spindle-10'through which the rod 8 loosely extends, there being bearings 11 and '12 disposed-in the headstock in which bearings the spindle is journaled. Upon the front end of t e spindle. 10 is keyed a drive-gear 13, and an annular collar 14 surrounds the hub of said gear and is secured in the corresponding end of the headstock against the bearing 12 by .which saidbearing is held in place. Also,

said collar has disposed therein a felt ring 15 that fits snugly about the hub of saidgear,

- which forms a guard to prevent escape of oil from said bearlng. Upon the opposite end, of the spindle is keyeda head-block 16, and

another annular collar 17 surrounds the hub of said head-block and is secured in the corresponding end ofthe headstock against the bearing 11- by which said bearing is held in place; Also, said collar is provided'with a felt ring 18 that fits snugly about the hub of the headblock 16, which prevents escape of oil from the bearing 11. The headstock has a chamber 19 located between the bearings 11 and 12 and is supplied with lubricating oil for said bearin s t rough a fixture 20. The headblock 16 is eld from longitudinal movement on the spindle by means of a ring 21 that is threaded on the spindle and is seated posite pairs, in which are loosely disposed corresponding bars 27 that have longitudinal and radial movement with res ect to the tube, each of which bars has at its orward end an outwardly projecting slotted head 28. The inner edge of each bar bears against the rod 8 when the machine is in action, and pins 29 extend through each bar and project from the sides thereof at points within the tube, which ins limit outward radial movement of the ar. The tube has notches 30 made therein adjacent the sides of each slot to permit passage of the pins when the bars are being placed into position or removed from the tube. The locations of said notches with respect to the length of the tube are at such points as are not reached by the pins during normal operation of the bars and thus unintended removal of the bars is obviated.

A series of brackets 31 are secured upon the'outer periphery of the head block 16 disposed in opposite airs, bolts 32 that extend through said brac ets and engage in slots 33 in the headblock being provided to adjustably secure said brackets in place. Each bracket 31 has therein a slide 34 arranged to have longitudinal movement parallel with the corresponding bar 27, and each slide has at its rear end an adjustable lug 35 that affords pivotal support for a lever 36, one end of which extends into the slotted head 28 of the corresponding bar. Each lever has a fulcrum bearing 37 at its outer end on a supporting beam 38 that is adjustably secured u on t e corresponding bracket 31 by means .0 bolts 39 and 40. Each slide has a roller that projects from its inner face into a slotted annular cam 42 that is fixed u n the head stock 5, so that as the headbloc is revolved, the slides 34' are reciprocated and corresponding movement is imparted through the medium of the levers 36 to the bars 27. The rotating tube 22 and the reciprocating bars 27 in connection therewith constitute a windle upon which the paper strips 43 to form a tube 44 are wound. The pressure of the paper strips as they are wound upon the windle causes the bars 27 to bear against the rod 8, by which rod inward movement of the bars is limited, and as mentary inward movement of'the respective bars during their passage across said face and thus the pressure of the paper tube upon the respective bars during their passage across said face is relieved. The slotted cam 42 and the rod 8 are fixed in connection with the head-stock in such relative positions that the bars 27 have longitudinal movement with respect to the windle toward the tailstock during the passage of said bars around the rod while bearing upon the uniform curved surface thereof, andhave retracting longitudinal movement respectively during thelr passage across the flat face 9 on said rod while relieved of normal pressure of the tube. In this manner is facilitated the retracting strokes of each bar while the paper tube formed on the windle'receives normal support upon and is progressed toward the tailstock by the other bars.

A rotating compression appliance is arran ed in supported relationwith the tailstoc 2 for applying pressure externally upon the paper tube after it is formed upon the windle so as to insure adhesion between the paper. strips forming the tube and to aid in shaping the tube before it is expelled from the machine. The compression appliance is shown in Figs. 1, 5 and 6 in a position 45 degrees in advance of the osition in which thedriving head is shown in Figs. 2, 3' and 4, which is done for the sake of convenience of illustration. However, in actual operation, the compression appliance rotates as the driving head rotates and not in advance thereof. The compression appliance consists of a pair of sleeves 45 and 45' having secured therebetween an externally toothed ring 36, which sleeves are supported in axial alinement with the tailstock upon annular bearings 47 so as to have rotarymovement, the sleeves project oppositely from the corresponding ends of the tailstock, and each has at its projecting end a flange 48-48 provided with radial slots 49 disposed in opposite pairs, there being guide-ways 50 made in each flange in its slotted portions.

A series of brackets 51-52 are'arranged in opposite pairs in connection with the flange 48 of the sleeve 45 that project toward the driving head. Said brackets are shaped to fit into the corresponding guide-ways 50 and are radially adjustable relative to the sleeve.

Each bracket 51 has a. pin 53 that is opera- 7 brackets are accordingly moved radially.

Adjacent the ring 54 is positioned upon said sleeve a second adjusting ring 56 provided the correspondin brackets 52, so that when the ring 56 is a justably turned upon the sleeve, the'brackets 52 will be radially moved accordingly. Theadjusting ring 54 has made therein apertures 59 through which the pins 58 respectively extend, which aper- I tures permit adjusting movement of the ring 54 without interference with the pins 58. Thus, the two pair of brackets 51 and 52 are independently adjustable radially relative to the flange 48. The rings 54 and 56 are held in adjusted positions by means of bolts 60 that extend through correspondin apertures 61 in the flange 48 and the a justing ring 56. When the bolts 60 are tightened, said adjusting rings are clamped in place.

The apertures 61 permit play of the bolts 60 windle which projects therebetween into the tailstock. The shoes 63 are so disposed about the windle as to bear upon the exterior of the paper tube 44, so that each shoe compresses the tube with eoual force upontwo corresponding windle ars.

A series of brackets 6667 are arranged in opposite pairs in connection with the flange 48' of the sleeve 45' that project outwardly therefrom. Said brackets are shaped to fit in the corresponding guideways 50 and are radially adjustable relative to said sleeve. Each bracket 66 has a pin 67 that is operatively'related with an adjusting ring 68 that surrounds the corresponding sleeve adjacent its flange, in a similar manner to that of-the arrangement of the brackets 51 and the adjustingrin 54. Another adjusting ring 69 disposed a jacent the ring 68 is operatively pin.70 on each bracket 67 engaged with the adjusting" ring 69 similarly to the arrangement between the brackets 52 and the adj usting ring 56. In this manner the two pair of brackets 66 and 67 are independently adjustable radially relative to the flange 48'. On each bracket 66 and 67 is mounted a roll, er 71, the axis of which is at right angles to that of the sleeve 45, said rollers being disposed so as to bear uponthe exterior of the ring 54 and have threaded relation with the.

related with the brackets 67, there being a paper tube as said tube passes outwardly -.through the tailstock. The purpose of said rollers is to afi'ord protracted support forthe tube and sustain more-or less the shape thereof.v Q

The driving head and the compression appliance receive rotary movement from a common countershaft 72 journaled in the bed 3, which countershaft has keyed thereon a pair of pinions 7 3 and 74, there being an intermediate gear 7 5 that meshes with the pinion 73v and the gear 13 for imparting movement to the driving head, and a similar intermediate gear 76 that meshes with the pinion 74 and toothed ring 36, by which movement is imparted to the compression appliance. The ratio of the gearing between said countershaft and said driving head and compression appliance is equal so that said driving head and compression appliance revolve together without relative rotary movement. The countershaft 72 is provided with a clutch mechanism 77 controlled by an operating lever 78 for throwing it into and out of action, and said clutch mechanism is connected with a motor 78 by suitable power transmission mechanism '79 .by which it is are fed to the windle at a suitable angle so as to become wound thereon spirally. As

the windle rotates, the windle bars, during the major portion of the revolution of the windle, move longitudinally toward the tailstock causing the paper tube, as it is formed by the strips of paper, to move continuously in the direction of the tailstock. Each windle bar, during a minor portion of the revolution of the windle, when passing across the flat face 9 of the rod 8 recedes toward the axis of the windle, and while thus relieved from the normal pressure of the paper tube, is drawn longitudinally backwardto the point of completion of its cycle of action. As only one of the windle bars is relieved and re treated at a time, and full pressure of the tube is maintained upon the other bars, progression of the tube by said other bars is maintained without restraint from the bars which cause the tube to conform to the outer edges of the windle bars, and the rollers 71 bear upon the respective flat sides of the tube so that it is supported and its shape protractedly maintained thereby.

What I claim is 1. In a aper. tube winding machine, a supporting d; a driving head fixed on said bed; a com ressio'n appliance fixed on said bed spaced rom and axially alined with said head; a hollow rotary windle axially alined with said head and a liance; and connected at one end with said riving head, the opposite end thereof extending into said compression appliance, said windle havin longitudinall and radially movable tu e-sup; porting bars; a stationary r od fixed in said head and extending axially through said windle, one side of said rod havin a flat face, the other ortion of the exterior surface of the rod a out its axis being uniformly distant therefrom, said rod being disposed so as to limit inward radial movement of said supporting bars with respect to said windle; a lever mechanism operatively related with said headand supporting bars whereb said bars are reciprocated longitudinal y as said head is revolved; and means for simultaneously rotating said driving head and compression appliance, said appliance having shoes that bear frictionally upon and conform to said supporting bars a paper tube formed upon the windle.

2. In a paper tube winding machine, a driving head; a hollow rotary windle connected at one end with and actuated by said; driving head, said windle having longitudinally and radially movable tube-supporting bars; a stationary rod fixed in said head and extending axially through said windle, one

side of said rod having a flat face, the other 1 portion of the exterior surface of the rod about its axiabeing uniformly distant therefrom, said rod being disposedv so as to limit inward radial movement of said supporting bars with respect to said windle; a lever mechanism operatively related with said head and supportlngba'rs whereby said bars are successively reciprocated longitudinally as -ating said driving head.

'tionary rod said head is revolved; and means for actu 3. In a paper tube winding machine, a staavin fixed support at one end thereof, one side 0 said rod having a flat face, the other ortion of the exterior surface of said rod a out its axis being uniformly distant therefrom; a hollow rotary windle positionedso that said rod extends axially there through, said windle having longitudinally and radially movable tube-supporting bars, the inner edge, of which bars bear upon said rod whereby inward radial movement of said bars with respect to'said windle is limited and actuating mechanism for rotating-said windle and successively reciprocating said supporting bars longitudinally.

4. In a paper tube winding machine, a driving head; ahollow rotary windlejaxially alined with and actuated by said head, said windle having longitudinally and radially movable tube-supporting bars; a stationar rod fixed at one end extending axially throug said windle, against which rod the inner edge of said supporting bars bear when paper of the normal pressure of the paper tube; and

means for actuating said head and mechanism.

5. In a paper tube winding machine, a hollow rotary windle having longitudinally and radially movable tube supporting bars; a stationary rod extendin axially into said windle, against which ro the inner edges of said supporting bars bear when a paper tube is wound upon the windle, said rod being formed so as to permit said bars to move radially inward severally in" successive order at corresponding predetermined stages in the rotar travel of the windle; and means for rotating said windle and successively reci rocating said bars so that the retracting stro e of each bar occurs concurrently with its in- Ward movement while thus relieved from the. normal pressure of said tube.

6. A paper tube winding machine having a rotary windle provided with longitudinally reciprocating tube supporting bars; a rotary compression appliance positioned in axial alinement with said windle, said appliance having shoes disposed in opposite pairs that frictionally bear upon and conform to said bars, a paper tube that is formed upon the windle; means for imparting longitudinally reciprocating movement to said bars in successive order as the windle is rotated; and

means related with the windle and compression appliance for imparting rotary movement-thereto.

- 7. A paper tube winding machine having a rotary windle provided with movable tubesupporting bars; means for actuating the windle and bars; arotary compression appliance positioned in axial aIinement With said windle, said appliance having shoes disposed in opposite pairs that frictionally bear upon and conform to said bars a tube that is formed upon the windle; and an annular series of rollers adjustably positioned in connection with said compression appliance,

spaced from said shoes, whichrollers afford supporting bars; means for actuating the windle and bars; and a rotary compression f appliance positioned in axial alinement with said windle, said appliance having shoes disposed in opposite pairs that frictionally bear upon and conform to said bars a tube that is formed upon the windle. l

9. A paper tube winding machinehaving a rotary windle provided with longitudinally reciprocating tube-supporting bars; means for actuating said windle and bars; and a rotary compression appliance positioned in axial alinement with said windle, said appliance having shoes that bear fric tionally upon and conform to said bars a paper tube that is formed upon the windle.

series of shoes connected respectivel brackets adapted to 'adju'stably move same independently of the other pair of brackets, one of said rings having openin s therein to permit freedom of movement 0 the connections between the-other rin and the brackets related therewith; means or clamping said rings in connection with said flange;-and a with said brackets, which shoes bear frietlonally and conform to said windle a tube wound thereon. thereon. I

In testimony whereof I afiix my signa-.

ture.

CHARLES HOLLMANN.

10. In a paper tube winding machine having a rotating windle,.a compression appliance consisting of sleeves rotatably mounted in axial alinement with said windle, each sleeve having at its outer end an external flange; an annular series of brackets secured to one of said flanges and being radially adjustable thereon; a spring pressed lever pivotedon each bracket; a shoe pivotally connected with each lever and bearing upon a paper tube formedon said windle; another annular series of brackets secured to the other of said flanges and beingradially adjustable thereon; a roller in each of the last named brackets, which rollers bear upon and support said tube; and means in connection with each series of brackets and the corresponding flanges for radially adjusting and securing said brackets in place.

7 11. In atube making machine having a rotating windle; a compression appliance I having a rotating sleeve provided with an external flange; a series of brackets adjustably secured on said'fiange and arranged in opposite pairs; two rotatably adjustable rings adjacent said flange, each ring having connections with a correspondin said brackets adapted to adjnsta ly move same independent y of the other pair of brackets, one of sald rings having openings therein to'permit freedom of movement of the connections between the other rmg and the brackets related therewith; means for jthereto.

12. In a tube making machine having a rotating windle; a compression appliance having a rotating sleeve provided wlth an expair of clamping said rings in'connection with said said brackets, which shoes bear fric-fi ternal flange; aseries of brackets adjustably secured on said flange and arranged in opposite pairs adjacent said flafige,-each ring havin connection with a corresponding pair 0 said two rotatably adjustable rings 

